CLF-C01 Amazon-Web-Services Exam Questions and Free Practice Test

Question 7

What term best describes the AWS pricing model?
Choose the Correct Answer

A. Pay-all-up-front

B. Pay-as-you-go

C. Pay-all-at-end

D. None of the above

Correct Answer:B
AWS operates on a pay-as-you-go model. No upfront cost or termination fees.

Question 8

What is the relationship between AWS global infrastructure and the concept of high availability?
Choose the Correct Answer

A. AWS is centrally located in one location and is subject to widespread outages if something happens at that one location.

B. AWS regions and Availability Zones allow for redundant architecture to be placed in isolated parts of the world.

C. Each AWS region handles a different AWS services, and you must use all regions to fully use AWS.

D. None of the above

Correct Answer:B
As an AWS user, you can create your applications infrastructure and duplicate it. By placing duplicate infrastructure in multiple regions, high availability is created because if one region fails you have a backup (in a another region) to use.

Question 9

Under what circumstances would you choose to use the AWS service CloudTrail?
Choose the Correct Answer

A. When you want to collect and view resource metrics.

B. When you want to log what actions various IAM users are taking in your AWS account.

C. When you want a serverless compute platform.

D. When you want to send SMS notificaitions based on events that occur in your accoun

Correct Answer:B
CloudTrail is AWS's logging service used to log actions taken by users in your AWS account.

Question 10

If you have a large collection of reproducible objects, which S3 storage class should you use if low cost is your priority?
Choose the Correct Answer

A. Glacier

B. Standard

C. Reduced Redundancy

D. None of the above

Correct Answer:C
The reduced redundancy storage class has the lowest durability of all the storage classes. This means object stored in this storage class have the highest probability of being lost. So you should only store objects in this storage class if they can be easily reproduced. In exchange for the lower durability, the cost is lower than the standard storage class.

Question 11

What SQL database engine options are available in RDS? (Select all that apply) Choose the 3 Correct answers:

A. MariaDB

B. PostreSQL

C. MongoDB

D. MySQL

Correct Answer:ABD
RDS offers the following SQL options: Aurora MySQL MariaDB PostreSQL Oracle Miscrosft SQLServer

Question 12

Amit is running a web application with a capacity of 5000 users. Every few days, traffic reaches 5000 users and any additional users are being denied access. What can Amit do to efficiently automate the process of adding and removing server capacity based on traffic demand?
Choose the Correct Answer

A. Enable elastic load balancing on his application.

B. Automating this process cannot be done

C. Enable auto scaling on his application.

D. Write a custom script to automate the process

Correct Answer:C
Auto scaling in AWS allows you to configure metric-based rules that (when triggered) will add and/or remove instances (server capacity) to your application. Adding/moving instances is then automated based on the metric rules you configure.

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